/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors 
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.configuration;

import java.util.Iterator;
import java.util.Set;
import lombok.RequiredArgsConstructor;
import org.hisp.dhis.common.GenericStore;
import org.hisp.dhis.commons.util.TextUtils;
import org.hisp.dhis.user.UserDetails;
import org.hisp.dhis.user.UserGroup;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author Lars Helge Overland
 */
@RequiredArgsConstructor
@Service("org.hisp.dhis.configuration.ConfigurationService")
public class DefaultConfigurationService implements ConfigurationService {
  @Qualifier("org.hisp.dhis.configuration.ConfigurationStore")
  private final GenericStore<Configuration> configurationStore;

  // -------------------------------------------------------------------------
  // ConfigurationService implementation
  // -------------------------------------------------------------------------

  @Override
  @Transactional
  public void setConfiguration(Configuration configuration) {
    if (configuration == null) {
      return;
    }
    if (configuration.getId() > 0) {
      configurationStore.update(configuration);
    } else {
      configurationStore.save(configuration);
    }
  }

  @Override
  @Transactional(readOnly = true)
  public Configuration getConfiguration() {
    Iterator<Configuration> iterator = configurationStore.getAll().iterator();

    return iterator.hasNext() ? iterator.next() : new Configuration();
  }

  @Override
  @Transactional(readOnly = true)
  public boolean isCorsWhitelisted(String origin) {
    Set<String> corsWhitelist = getConfiguration().getCorsWhitelist();

    for (String cors : corsWhitelist) {
      String regex = TextUtils.createRegexFromGlob(cors);

      if (origin.matches(regex)) {
        return true;
      }
    }

    return false;
  }

  @Override
  @Transactional(readOnly = true)
  public boolean isUserInFeedbackRecipientUserGroup(UserDetails user) {
    UserGroup feedbackRecipients = getConfiguration().getFeedbackRecipients();
    if (feedbackRecipients == null) return false;
    return feedbackRecipients.getMembers().stream()
        .anyMatch(member -> member.getUid().equals(user.getUid()));
  }
}
